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Cards In This Set
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Which of the following is not a factor when calculating momentum?
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Acceleration
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If you divide momentum by velocity, the result is the value of the object's ?
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Mass
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Whenever an object is standing still, the values that are always zero are?
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Speed-Velocity-Momentum! All the Above
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If you are given the mass of an object in pounds, the time in seconds, and the distance in feet, what must you do before you can calculate the momentum in SI units?
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Convert mass to kilo&&Convert the distance to meters
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Weight is best described as?
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Downward force exerted on objects due to gravity
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When objects move further apart from each other, the force of gravity?
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Decreases
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The law that states that every object maintains constant velocity unless acted on by an unbalanced force is?
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Newton's 1st law
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The law that states that for every action force there is an equal and opposite reaction force is?
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Newton's 3rd law
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The law that states that the unbalanced force acting on an object equals the object's mass times it's acceleration is?
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Newton's 2nd law
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The SI unit of force, named for the scientist who described the relationship between motion and force is called the?
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Newton
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One pound is equal to how many Newton's?
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4.448 N
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What is the unit to measure acceleration in free fall?
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m/s2
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When air resistance balances the weight of an object that is falling, the velocity?
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Remains constant
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What is the reaction force when you place a cup on a table?
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Force of the table on the cup
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Earth pulls on the moon and holds the moon in its orbit. The moon pulls on Earth with an equal and opposite force. this is an example of (Newtons law) ?
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Newton's 3rd law
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